22309971720625 has 20 divisors (see below), whose sum is σ = 28471701139200. Its totient is φ = 17468233154000.

The previous prime is 22309971720607. The next prime is 22309971720661. The reversal of 22309971720625 is 52602717990322.

It is not a de Polignac number, because 22309971720625 - 2⁵ = 22309971720593 is a prime.

It is a super-3 number, since 3×22309971720625³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 379714825 + ... + 379773574.

It is an arithmetic number, because the mean of its divisors is an integer number (1423585056960).

Almost surely, 2^{22309971720625} is an apocalyptic number.

22309971720625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22309971720625 is a deficient number, since it is larger than the sum of its proper divisors (6161729418575).

22309971720625 is an frugal number, since it uses more digits than its factorization.

22309971720625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759488466 (or 759488451 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 22309971720625 in words is "twenty-two trillion, three hundred nine billion, nine hundred seventy-one million, seven hundred twenty thousand, six hundred twenty-five".